MKS 651C, Инструкция по эксплуатации, Страница: 163 / 172

Supplement 1 Operation
Page 7 of 8
How To Set The Battery Back-up Valve Control
Local Operation
1. Ensure the Key Lock Switch is set to Local and that the default Pressure and Position
display appears on the screen.
PRES 4.90 Torr
POS 35.0 %
2. Press the [ ] and [ ] keys simultaneously for about 3 seconds to enter the Setup
menu.
The screen displays:
CONTROL
MODE: PID
2. Press the [ ] or [ ] down arrow key to scroll through the menu until the battery
back-up option selection screen appears on the display.
The screen displays:
BATTERY 13.5V
BACK-UP: OPEN
The screen displays the actual voltage level of the battery along with the position the
valve is currently set to drive to upon a power loss.
Select whether the valve will be driven fully open, fully closed, or will be disabled upon
an AC power failure by turning the Adjust knob on the front panel to the desired setting.
Choose from the options of open, closed, or disable (initial).
Note
Press any key to exit the Setup menu and return to the default Pressure
and Position display screen.